Let your little ones say big thank yous for birthday presents or friendships with this 20-pack of Kid's Thank You cards from Hallmark. Printed on high-quality board, these cards come in 4 colourful designs with a coated gloss finish and include coordinating white Hallmark envelopes. The cards are blank inside for personal messages. They are fully recyclable and made from FSC-certified forests and controlled sources. Each card measures 16 cm by 16 cm, fitting within standard UK 'Letter' size limits.